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How do I determine if a port is open on a Windows server? [closed]
... see if the connection is refused, accepted, or timeouts.
On that latter test, then in general:
connection refused means that nothing is running on that port
accepted means that something is running on that port
timeout means that a firewall is blocking access
On Windows 7 or Windows Vista t...
How to drop a database with Mongoose?
... will work
I use this technique to drop the Database after my integration tests
//CoffeeScript
mongoose = require "mongoose"
conn = mongoose.connect("mongodb://localhost/mydb")
conn.connection.db.dropDatabase()
//JavaScript
var conn, mongoose;
mongoose = require("mongoose");
conn = mongoose.conn...
How can I delete a query string parameter in JavaScript?
..."?" when there are no parameters after the removal, add an if condition to test if pars.length==0, and if it is 0, then make "url = urlparts[0]" instead of appending the "?".
– johnmcaliley
Nov 14 '10 at 18:42
...
How do you query for “is not null” in Mongo?
...dding some examples due to interest in this answer
Given these inserts:
db.test.insert({"num":1, "check":"check value"});
db.test.insert({"num":2, "check":null});
db.test.insert({"num":3});
This will return all three documents:
db.test.find();
This will return the first and second documents only:
...
How can I declare and use Boolean variables in a shell script?
...
@pms The operators "-o" and "-a" are only for the "test" command (aka "[]"). Instead, this is "if + command", without the "test". (Like "if grep foo file; then ...".) So, use the normal && and || operators: # t1=true; t2=true; f1=false; # if $t1 || $f1; then echo is_t...
How do I rename a column in a database table using SQL?
...S), you can do it with regular ALTER TABLE statement:
=> SELECT * FROM Test1;
id | foo | bar
----+-----+-----
2 | 1 | 2
=> ALTER TABLE Test1 RENAME COLUMN foo TO baz;
ALTER TABLE
=> SELECT * FROM Test1;
id | baz | bar
----+-----+-----
2 | 1 | 2
...
How do I mock an open used in a with statement (using the Mock framework in Python)?
How do I test the following code with unittest.mock :
8 Answers
8
...
Difference between acceptance test and functional test?
What is the real difference between acceptance tests and functional tests?
11 Answers
...
Error: Could not find or load main class [duplicate]
...lassName_Having_main
suppose you have the following
Package Named: com.test
Class Name: Hello (Having main)
file is located inside "src/com/test/Hello.java"
from outside directory:
$ cd src
$ javac -cp . com/test/*.java
$ java -cp . com/test/Hello
In windows the same thing will be working ...
How to remove unused C/C++ symbols with GCC and ld?
...unreferenced sections):
-Wl,--gc-sections
So if you had one file called test.cpp that had two functions declared in it, but one of them was unused, you could omit the unused one with the following command to gcc(g++):
gcc -Os -fdata-sections -ffunction-sections test.cpp -o test -Wl,--gc-sections...